@article{etna_vol48_pp81-96, author = {Abdrhaman Mahmoud and Bo Yu and Xuping Zhang}, title = {Eigenfunction expansion method for multiple solutions of fourth-order ordinary differential equations with cubic polynomial nonlinearity}, journal = {Electron. Trans. Numer. Anal.}, volume = {48}, year = {2018}, pages = {81--96}, doi = {10.1553/etna_vol48s81}, }